Halfway through last year, while the Standard & Poor's 500 Index was falling 10 percent, the green energy shares rose 30 percent. And during the two "panic selling" bottoms of October 2008 and March 2009 all the shares linked to renewable energies climbed easier than the Standard & Poor's 500 Index. In this perspective, most people think that the economic phenomenon called green economy will gradually cause the new speculative bubble of global stock markets (http://personalfinanceandinvesting.com/).
The UNDP report on green employees shows that the jobs linked to sustainable development and "green economy" in the world are 2,3 million of which 670,000 jobs in photovoltaic sector only. The development of "green economy" may increase the employment because it needs technicians, installation firms and designers. Of consequence, the growth of employment, which improve consumer spending, may give strenght to the global economy.
In the U.S. stock market there is one of the most important company which makes photovoltaic panels. The name is First Solar and since May 2008 its share price have fallen from $ 317 to $ 130. General Electric and the Danish company Vestas are the world leaders of the wind turbine. In the end, in the green business of stock market there's the Swedish company Abb.